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Author Topic: How can we check existence of a USB device  (Read 97855 times)

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Gujarish

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    • OS: Windows 8
    How can we check existence of a USB device
    « on: July 05, 2019, 04:44:07 AM »
    Hello everyone,,,
    My PC has a USB port connecting to an HID machine. After restarting several times, the HID will disappear and can't be shown in Device Manager. What I want to do is to write a program to restart the PC, check existence of that HID and show the restarting count in case of HID disappearing.
    My question is how I can check existence of an HID in Visual C++....
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    Salmon Trout

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    Re: How can we check existence of a USB device
    « Reply #1 on: July 05, 2019, 07:42:49 AM »
    What is an HID?
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    patio

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    Re: How can we check existence of a USB device
    « Reply #2 on: July 05, 2019, 08:59:06 AM »
    Human Interface Device...thank Bill Gates for the terminology...
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    Salmon Trout

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    Re: How can we check existence of a USB device
    « Reply #3 on: July 05, 2019, 09:25:27 AM »
    What, keyboard, mouse, trackball, touchpad, etc?
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    patio

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    Re: How can we check existence of a USB device
    « Reply #4 on: July 05, 2019, 07:06:49 PM »
    They all qualify...thats why inventing that term is dumber than a sack of hammers...
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    " Anyone who goes to a psychiatrist should have his head examined. "

    Lisa_maree



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    Re: How can we check existence of a USB device
    « Reply #5 on: July 05, 2019, 08:21:49 PM »
    Microsoft supplies a program called USBview to diagnose this type of problem might be worth a look.

    https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/usbview

    Or another option is https://www.nirsoft.net/utils/usb_devices_view.html

    Both programs will give information of what is causing the device not to load.
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